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structure data     
相关语句
  结构数据
     A schema for efficient storage and retrieval of chemical structure data based on Oracle database was designed and implemented.
     设计了一种基于大型数据库管理系统Oracle的化学结构数据存储模式,并实现了相应于此模式的高效化学结构检索方法。
短句来源
     Development Status and Prospect of High-spin Nuclear Structure Data
     高自旋核结构数据的发展现状及展望
短句来源
     COMPUTERIZED EVALUATION SYSTEM OF NUCLEAR STRUCTURE DATA
     核结构数据评价系统
短句来源
     Various quantum chemical methods, including MNDO, AM1, HF/3-21G, HF/6-31G~**, were employed to investigate the intramolecular hydrogen transfer (IHT) process of 9-hydroxyphenalen-1-one (9-HPO), the result was compared with X-ray structure data. The following facts were found.
     借助MNDO、AM 1、HF/ 3 2 1G、HF/ 6 31G 量子化学理论计算方法 ,对 9 羟基苯并萘酮 (9 HPO)的分子内氢传递过程进行了理论探讨 ,并与X射线衍射的结构数据作了比较。
短句来源
     Construction and application of product structure data model oriented to assemble technology
     面向装配工艺的产品结构数据模型的建立与应用
短句来源
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  结构化数据
     For structure data(database data), the technology of retrieval is very complete. However, it is necessary to strength the accuracy of information retrieval in Web.
     对于结构化数据的检索,也就是对于数据库数据的检索,技术已经发展的比较完备,但是对于Web上的信息检索中,仍需要增强检索的准确度。
短句来源
     Based on the analysis of the current implementation of product structure data, we proposed a new implementation method based on XML techniques.
     在对传统产品结构在物理存储结构及逻辑效用弊端分析的基础上 ,提出了基于XML半结构化数据的产品结构的物理形式 ,并基于此结构构建产品可重用构件库。
短句来源
     By investigation of research departments, it is found that in the vast data of every department store , the structure data treated with tradition RDBM just occupy 15% in all of the data information, and that the occupying 85% information is not structure, including paper files, report, video, audio and WebPages and so on.
     研究部门调查发现,各单位内部存储的海量数据中,传统关系数据库管理系统(RDBM)处理的结构化数据仅占数据信息总量的15%,而全球85%的信息是非结构化的,包括纸上的文件、报告、视频和音频,Web页面等。
短句来源
     As to the character of low efficiency during Exchange manages structure data and complexity of data back-up, this paper provides a solution to realize Web OA system with the workflow technology based on the relational database.
     针对Exchange处理结构化数据效率低,数据备份维护复杂等特点,文章提出了基于关系数据库的工作流技术实现Web OA系统的方案。
短句来源
     Aim at the complexity of the Web data with the special, the Web data mining t daily record's waiting a small part can mining a method with the in common use data, besides which, have to do the data processing of the necessity to the Web page, make it attain the excavation request that the structure turns a data, or use the XML technique to construct the half structure data mode to carry on again data excavation.
     针对Web数据的复杂性和特殊性,Web的数据挖掘除日志等一小部分可以用常用的数据挖掘方法外,必须对Web页做必要的数据处理,使之达到结构化数据的挖掘要求,或使用XML技术来构造半结构数据模式再进行数据挖掘。
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  结构参数
     This peper analyse the changeable rule of oxidizing power of oxyacids (N,S,Cl) with the electronic structure data by ab initio and MNDO calculation on the basis of standard electrode potential E°
     本文以标准电极电位E°为基准,用量子化学的abinitio和MNDO方法计算的电子结构参数分析了N、S、Cl含氧酸氧化性强弱的变化规律。
短句来源
     In this paper, product and technology of ethyl ene propylene copolymer initiated by VOCl3-l/2Al2Et3Cl3 used as lubricating oil viscosity index improver J-0050 were developed because of the demand of it in the market at home, based on the structure data of Exxon-8921 and technology of EPDM introduced from abroad by JCIG Corporation.
     本论文根据国内油品市场的需要,以剖析国外Exxon—8921样品所得结构参数为依据,结合吉化公司引进的乙丙橡胶生产工艺,采用VOCl_3—1/2Al_2Et_3Cl_3配位体系为催化剂,成功地开发了乙丙共聚物润滑油粘度指数改进剂产品J-0050及工艺。
短句来源
     In this paper, product and technology of ethylene propylene copolymer initiated by VOCl3-l/2Al2Et3Cl3 used as lubricating oil viscosity index improver were developed because of the demand of it in the market at home, based on the structure data of Exxon-8921 and technology of EPDM introduced from abroad by JCIG Corporation.
     本论文根据国内油品市场的需要,以剖析国外Exxon—8921样品所得结构参数为依据,结合吉化公司引进的乙丙橡胶生产工艺,采用VOCl_3—1/2Al_2Et_3Cl_3配位体系为催化剂,成功地开发了乙丙共聚物润滑油粘度指数改进剂产品及工艺。
短句来源
     The paper discusses high power pulse transformer iron-cores structure data and its material selection principle,it is a necessary theoretical study for optimizing design of transformer.
     文章探讨了高功率脉冲变压器铁心的结构参数及其材料选择原则,是优化变压器设计的必要的理论研究。
短句来源
     this is the key procedure to create solid model automatically when system get structure data.
     这是得到结构参数后能否实现系统自动生成三维实体模型的关键。
短句来源
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  结构的数据
     The designing project and realizing method of the hardware and software of the DSP and PCI structure data sampling system are discussed in detail in this paper, in the background of the developed actual systems.
     本文以开发的实际系统为背景 ,详细论述了DSP和PCI结构的数据采集系统硬件及软件设计方案和实现方法。
短句来源
     Web structure data mining refers to a method of mining the structure between Web pages.
     Web结构的数据挖掘是对Web页面之间的结构进行挖掘。
短句来源
     In non-Agent structure data warehouse system, my paper adds three multi-Agent systems that are query multi-Agent system, integration multi-Agent system and synchronization update multi-Agent system.
     本文在非Agent结构的数据仓库体系中,增加了三个多Agent系统:查询多Agent系统、集成多Agent系统和同步更新多Agent系统。
短句来源
     The designing project and realizing method of the hardware and software of the DSP+PCI structure data sampling system are discussed in detail in this paper, in the backgroud of the developed actual systems. 
     本文以开发的实际系统为背景,详细论述了DSP+PCI结构的数据采集系统硬件及软件设计方案和实现方法。
短句来源
     But non-Agent structure data warehouse system has some problems, such as network congestion, difficulty in harmonizing network information and views updating discordantly.
     但是非Agent结构的数据仓库系统还存在着网络拥塞、网络信息不容易协调、视图更新不一致的问题。
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      structure data
    The analysis is based on the available high-precision (R1 >amp;lt; 0.06) crystal structure data.
          
    The quadrupole interactions of the 209Bi nuclei and their electronic environment were studied, the crystallochemical features of the compounds were discussed, and the conformity of the 209Bi results to the X-ray structure data was verified.
          
    The thermochemical features of complex I are discussed in light of the structure data.
          
    Ignoring (C6H6)2Cr+· interactions with the counterion was shown to cause some exaggeration of the Cr-C distances in the isolated di(η6-benzene)chromium cation compared with the corresponding X-ray structure data.
          
    The structure data have been refined by the Rietveld method.
          
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    In accordance with the bond formation of impurity atoms in semiconductors, a wave function of the local molecular type was admixed into the band function. We obtained an effective mass-equation with an additional term of the S function type. In the case of simple band structure, the influence of atomic character on the ionization energy, and the relation between the shallow and the deep levels were discussed. Further more, we analyzed the valley-orbit splitting caused by the existance of several equivalent minima...

    In accordance with the bond formation of impurity atoms in semiconductors, a wave function of the local molecular type was admixed into the band function. We obtained an effective mass-equation with an additional term of the S function type. In the case of simple band structure, the influence of atomic character on the ionization energy, and the relation between the shallow and the deep levels were discussed. Further more, we analyzed the valley-orbit splitting caused by the existance of several equivalent minima of conduction band in Ge and Si. Because of the interaction between bonds, the variation of wave function of a shallow level is small, but the correction on the ionization energy may be appreciable. This is in agreement with the hyper-fine structure data of the electron spin resonance.

    分析了杂质原子在半导体中的成键情况,我们在一般能带波函数中混入部分分子型局域波函数,从而得到带有修正项的有效质量方程。在简单能带结构情况下,我们讨论了电离能与原子性质的关系,及由浅能级向深能级的转化。进而分析了由于Ge、Si中导带各极值所产生的谷轨道分裂。对浅能级,由于键间相互作用,电离能可以有相对较大的修正,但波函数却变化很小,这与电子自旋共振超精细结构的实验结果一致。

    The Raman spectra of LiTaO3 have been studied from 20℃ to 800℃. No softening of ferroelectric mode has been detected. The striking feature of our results is that the Raman spectra of the ferroelectric phase merge into the paraelectric phase without any appreciable discontinuity at the phase transition. On the basis of these new experimental results and the crystal structure data in literature, we suggest that the ferroelectric phase transition in LiTaO3 may have an order-disorder character.

    本文测定了钽酸锂晶体从室温到居里温度以上(20—800℃)的喇曼光谱。没有观察到软模现象。我们发现在居里点附近,铁电相和顺电相的喇曼光谱十分一致,经过居里点喇曼光谱不发生变化。根据这个新的实验结果和文献上关于用中子衍射测定的晶体结构资料,我们做出了钽酸锂的铁电相变为有序无序型的推论。

    In the mining process it can hardly avoid to lose a fraction of ores along with dilution. As well known, whether the merits and demerits of the mining measures and mineral structures data are evaluated or the reasonable cut-off grade of the discharging extraction process etc are determined will depend essentially on the data of the ore loss and ore dilution. In this paper, the theoretical and practical analysis and the virtual problems about these indexes of the ratio difference between the recovery...

    In the mining process it can hardly avoid to lose a fraction of ores along with dilution. As well known, whether the merits and demerits of the mining measures and mineral structures data are evaluated or the reasonable cut-off grade of the discharging extraction process etc are determined will depend essentially on the data of the ore loss and ore dilution. In this paper, the theoretical and practical analysis and the virtual problems about these indexes of the ratio difference between the recovery and dilution (or the stope coefficient) have discussed. As a consequence,author draws an argument that the curve of the ratio difference between the recovery and the dilution can only reflects the ups and downs of its variation of the recovery and the dilution rate. but it cann't be by virtue

    采矿过程中,不可避免地要产生一定数量的矿石损失和贫化。如所周知,无论是分析评价采矿方法及结构参数的优劣,还是确定崩落法放矿合理截止品位等,矿石的损失与贫化都是很重要的指标。本文着重从理论和实际分析讨论了回贫差(或回采效率)指标的实质与问题,从而提出回贫差曲线仅仅反映矿石回收率与贫化率的增长变化情况,但不能用最大回贫差(或回采效率)值来确定放矿截止品位,也不能用它来比选采矿方法及其结构参数等。由于回贫差及回采效率指标,既不能综合代替矿石损失贫化指标,同时在技术经济分析中也起不到有价值的作用,还会造成混乱,故建议今后不再使用。

     
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